2.2 Chemical Formulas and Equations Flashcards
1
Q
a combination of chemical symbols and numbers to represent a substance.
A
Chemical formula
2
Q
a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
A
Chemical equation
3
Q
a substance or molecule that participates in a chemical reaction.
A
Reactants
4
Q
the substance that forms in a chemical reaction
A
Products
5
Q
the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes.
A
Law of conservation of mass